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Pacific Ocean

…y Gómez Ridge from the Southeast Pacific Basin, which in turn is separated from the Southwest Pacific Basin by the East Pacific Rise and indeterminate Pacific-Antarctic Ridge, which runs from the Sala y Gómez Ridge to Antarctica in the vicinity of 150° W.

Ross Sea

…into the deeps of the Southeast Pacific Basin along a line from Scott Island to Cape Colbeck. The broader, western half of the sea shoals to less than 1,000 feet (300 metres) in several wide areas, the southwesternmost culminating in the small and rocky volcanic pile of Franklin Island. Most…